Num.span_digits: def of bend-toon-codec@0.1.0.0
Import: import bend-toon-codec@0.1.0.0/src/num.bend as Num
Lines 41-47 of bend-toon-codec@0.1.0.0/src/num.bend: https://jend.leeeet.dev/read.txt?path=bend-toon-codec@0.1.0.0/src/num.bend&start_line=41&end_line=47

import Base

# Leading run of ASCII digits, and the rest.
def span_digits(+s: String) -> Sp:
  match s:
    case SNil{}:
      Sp{SNil{}, SNil{}}
    case SCon{Chr{c}, t}:
      sp.pick(Char.is_digit(Chr{c}), c, s, span_digits(t))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char.is_digit
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=bend-toon-codec@0.1.0.0/src/num.bend&name=Sp
  https://jend.leeeet.dev/definition.txt?path=bend-toon-codec@0.1.0.0/src/num.bend&name=sp.pick